Calculating Volume

To estimate the total number of pounds of the material to mix for a given project, first measure the pattern to determine the volume to be cast in terms of cubic inches.

2. Choose a material suitable for your application and find how many cubic inches are in 1 pound of that material.

3. Since one pound of Model-Pro yields about 26.0 cubic inches, simply divide the total volume to be cast by 26.0 cubic inches. The number resulting from the division will be the pounds of mixed parts “A” and “B” required.

Example: To find the pounds required for a mold or tool measuring 10 * 10 * 1 Multiply and divide as follows: 10 * 10 * 1 / 26.0 = 3.84 lbs. Therefore: Use 2.0# of part “A” and 2.0# of part “B”.

Precaution: Always mix a fraction more than required to compensate for losses due to material that will cling to the mixing container sidewalls.